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February 14th, 2026 :: 3:20 am CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated February 14th at 1:54 am 
Temperature:39°F Dew Point:27°F
Barometer:30.06 inHg Wind:calm
Humidity:60.2% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Feb 14th
Sunday
Feb 15th
Monday
Feb 16th
Tuesday
Feb 17th
Wednesday
Feb 18th
Mix of rain and snow Showers Cloudy Cloudy Cloudy
48°F
57°F
43°F
59°F
43°F
58°F
44°F
67°F
50°F
 
 Decatur Detailed Weather Forecast  
 
Saturday, February 14th, 2026
Morning Temperature: 44°F
Cloudy.
Afternoon Temperature: 44°F
Cloudy with a chance of showers.
Evening Temperature: 43°F
Cloudy with a few showers. Windy at times.
Sunday, February 15th, 2026
Overnight Temperature: 43°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 52°F
Sunny with cloudy periods.
Afternoon Temperature: 51°F
Sunny.
Evening Temperature: 46°F
Clear.
Monday, February 16th, 2026
Overnight Temperature: 43°F
Cloudy.
Morning Temperature: 53°F
Cloudy. Windy at times.
Afternoon Temperature: 52°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 48°F
Cloudy. Windy at times.
Tuesday, February 17th, 2026
Overnight Temperature: 45°F
Cloudy.
Morning Temperature: 54°F
Cloudy. Windy at times.
Afternoon Temperature: 55°F
Cloudy. Windy.
Evening Temperature: 55°F
Cloudy. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 56°F
Cloudy. Windy.
Morning Temperature: 63°F
Sunny. Windy.
Afternoon Temperature: 56°F
Sunny. Windy at times.
Evening Temperature: 51°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 48°F
Clear with cloudy periods.
Morning Temperature: 60°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 62°F
Mostly sunny with a chance of showers. Windy at times.
Evening Temperature: 53°F
A mix of cloudy and clear skies. Windy at times.
Friday, February 20th, 2026
Overnight Temperature: 43°F
Cloudy. Windy at times.
Morning Temperature: 45°F
Cloudy. Windy at times.
Afternoon Temperature: 44°F
Cloudy.
Evening Temperature: 39°F
Cloudy.
Saturday, February 21st, 2026
Overnight Temperature: 33°F
Cloudy.
Morning Temperature: 41°F
Sunny. Windy at times.
Afternoon Temperature: 41°F
Sunny with cloudy periods.
Evening Temperature: 38°F
Cloudy.
Sunday, February 22nd, 2026
Overnight Temperature: 34°F
A mix of cloudy and clear skies with a chance of showers. Showers possibly mixed with wet flurries.
Morning Temperature: 39°F
Cloudy. Windy at times.
Afternoon Temperature: 36°F
Sunny. Windy at times.
Evening Temperature: 31°F
Clear.





 

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This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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